ABNEY LEVEL AG5

AG5

Description

The Abney Level is an engineering instrument which can be used to determine height.
It is moderately priced and of medium size and weight.
Although the Abney Level is relatively robust, the bubble tube can be knocked out of
alignment during rough treatment.
When used correctly, the Abney Level has an accuracy of about /- 0.5m for a 20m
tall tree (about 2.5%).